Avoid name collisions between xidtype and enum.

[free-sw/xcb/libxcb] / src / xcb_util.c

diff --git a/src/xcb_util.c b/src/xcb_util.c
index 6b80c80..4ae9097 100644 (file)
--- a/src/xcb_util.c
+++ b/src/xcb_util.c
@@ -38,6 +38,7 @@
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stddef.h>
 #include <unistd.h>
 #include <string.h>
 
@@ -123,10 +124,15 @@ static int _xcb_open_unix(char *protocol, const char *file);
 #ifdef DNETCONN
 static int _xcb_open_decnet(const char *host, char *protocol, const unsigned short port);
 #endif
+#ifdef HAVE_ABSTRACT_SOCKETS
+static int _xcb_open_abstract(char *protocol, const char *file);
+#endif
 
 static int _xcb_open(char *host, char *protocol, const int display)
 {
+#ifdef HAVE_ABSTRACT_SOCKETS
     int fd;
+#endif
     static const char base[] = "/tmp/.X11-unix/X";
     char file[sizeof(base) + 20];
 
@@ -156,10 +162,13 @@ static int _xcb_open(char *host, char *protocol, const int display)
 
     /* display specifies Unix socket */
     snprintf(file, sizeof(file), "%s%d", base, display);
-    return  _xcb_open_unix(protocol, file);
+#ifdef HAVE_ABSTRACT_SOCKETS
+    fd = _xcb_open_abstract(protocol, file);
+    if (fd >= 0 || (errno != ENOENT && errno != ECONNREFUSED))
+        return fd;
 
-
-    return fd;
+#endif
+    return  _xcb_open_unix(protocol, file);
 }
 
 #ifdef DNETCONN
@@ -274,6 +283,33 @@ static int _xcb_open_unix(char *protocol, const char *file)
     return fd;
 }
 
+#ifdef HAVE_ABSTRACT_SOCKETS
+static int _xcb_open_abstract(char *protocol, const char *file)
+{
+    int fd;
+    struct sockaddr_un addr = {0};
+    socklen_t namelen;
+
+    if (protocol && strcmp("unix",protocol))
+        return -1;
+
+    strcpy(addr.sun_path + 1, file);
+    addr.sun_family = AF_UNIX;
+    namelen = offsetof(struct sockaddr_un, sun_path) + 1 + strlen(file);
+#ifdef HAVE_SOCKADDR_SUN_LEN
+    addr.sun_len = 1 + strlen(file);
+#endif
+    fd = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (fd == -1)
+        return -1;
+    if (connect(fd, (struct sockaddr *) &addr, namelen) == -1) {
+        close(fd);
+        return -1;
+    }
+    return fd;
+}
+#endif
+
 xcb_connection_t *xcb_connect(const char *displayname, int *screenp)
 {
     int fd, display = 0;
@@ -281,11 +317,22 @@ xcb_connection_t *xcb_connect(const char *displayname, int *screenp)
     char *protocol;
     xcb_connection_t *c;
     xcb_auth_info_t auth;
-
-    if(!_xcb_parse_display(displayname, &host, &protocol, &display, screenp))
+    
+    int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp);
+
+#ifdef HAVE_LAUNCHD
+    if(!displayname)
+        displayname = getenv("DISPLAY");
+    if(displayname && strlen(displayname)>11 && !strncmp(displayname, "/tmp/launch", 11))
+        fd = _xcb_open_unix(NULL, displayname);
+    else
+#endif
+    if(!parsed)
         return (xcb_connection_t *) &error_connection;
-    fd = _xcb_open(host, protocol, display);
+    else
+        fd = _xcb_open(host, protocol, display);
     free(host);
+
     if(fd == -1)
         return (xcb_connection_t *) &error_connection;
 
@@ -306,10 +353,21 @@ xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *displayname,
     char *host;
     char *protocol;
 
-    if(!_xcb_parse_display(displayname, &host, &protocol, &display, screenp))
+    int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp);
+    
+#ifdef HAVE_LAUNCHD
+    if(!displayname)
+        displayname = getenv("DISPLAY");
+    if(displayname && strlen(displayname)>11 && !strncmp(displayname, "/tmp/launch", 11))
+        fd = _xcb_open_unix(NULL, displayname);
+    else
+#endif
+    if(!parsed)
         return (xcb_connection_t *) &error_connection;
-    fd = _xcb_open(host, protocol, display);
+    else
+        fd = _xcb_open(host, protocol, display);
     free(host);
+
     if(fd == -1)
         return (xcb_connection_t *) &error_connection;